Create a cluster node availability check¶
When creating a cluster or adding nodes to an existing cluster, refer to the table below to check the node configuration to avoid cluster creation or expansion failure due to wrong node configuration.
Check Item | Description |
---|---|
OS | Refer to Supported Architectures and Operating Systems |
SELinux | Off |
Firewall | Off |
Architecture Consistency | Consistent CPU architecture between nodes (such as ARM or x86) |
Host Time | All hosts are out of sync within 10 seconds. |
Network Connectivity | The node and its SSH port can be accessed normally by the platform. |
CPU | Available CPU resources are greater than 4 Cores |
Memory | Available memory resources are greater than 8 GB |
Supported architectures and operating systems¶
Architecture | Operating System | Remarks |
---|---|---|
ARM | Kylin Linux Advanced Server release V10 (Sword) SP2 | Recommended |
ARM | UOS Linux | |
ARM | openEuler | |
x86 | CentOS 7.x | Recommended |
x86 | Redhat 7.x | Recommended |
x86 | Redhat 8.x | Recommended |
x86 | Flatcar Container Linux by Kinvolk | |
x86 | Debian Bullseye, Buster, Jessie, Stretch | |
x86 | Ubuntu 16.04, 18.04, 20.04, 22.04 | |
x86 | Fedora 35, 36 | |
x86 | Fedora CoreOS | |
x86 | openSUSE Leap 15.x/Tumbleweed | |
x86 | Oracle Linux 7, 8, 9 | |
x86 | Alma Linux 8, 9 | |
x86 | Rocky Linux 8, 9 | |
x86 | Amazon Linux 2 | |
x86 | Kylin Linux Advanced Server release V10 (Sword) - SP2 Haiguang | |
x86 | UOS Linux | |
x86 | openEuler |